377 patients aged 30 to 79 years who had breast carcinoma were examined to study the age-related features of tumor anaplasia. The degree of tumor anaplasia was studied, in primary nodules, less and more than 2.5 cm in diameter in patients of different ages. This index decreased with age. This may explain more a malignant course of the disease in young patients.
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J Pediatr Surg
December 2024
Department of Surgery, St. Jude Children's Research Hospital, Memphis, Tennessee, USA. Electronic address:
Background: Patients with diffuse anaplastic Wilms tumor (DAWT) experience relatively poor oncologic outcomes. Previous work has described mechanisms of telomerase upregulation in DAWT, posing a potential therapeutic target.
Methods: We assessed in vitro sensitivity to vincristine, irinotecan, and telomerase-targeting drug 6-thio-2'-deoxyguanosine (6 dG) in DAWT cell lines WiT49 and PDM115 and in spheroids derived from cell lines and four DAWT patient-derived xenografts (PDX).
Virchows Arch
December 2024
Department of Pathology and Laboratory Medicine, Indiana University, 350 W 11st St, Indianapolis, IN, 46202, USA.
Rhabdomyosarcoma (RMS) is the most common soft tissue malignancy in childhood, accounting for 3% of all pediatric malignancies and 50% of all pediatric soft tissue sarcomas. In adolescents and young adults (AYA) however, RMS comprises only 6.5% of all soft tissue sarcomas.
View Article and Find Full Text PDFIran J Otorhinolaryngol
January 2024
Otolaryngology Research Center, Department of Otolaryngology, Shiraz University of Medical sciences, Shiraz, Iran.
Introduction: Cellular cannibalism is defined as a process of non-apoptotic cell death. This phenomenon has been indicated to be associated with aggressiveness, anaplasia, invasiveness, and metastatic potential of various malignancies. The Aim of this study is the evaluation of cell cannibalism in oral dysplastic lesions and oral cancer.
View Article and Find Full Text PDFActa Neurochir (Wien)
November 2024
Sorbonne Universités - Department of Neurosurgery, Bâtiment Babinski, Groupe Hospitalier Pitié-Salpêtrière, APHP, 47-83 Boulevard de L'Hôpital, 75013, Paris, France.
Purpose: Grade 3 meningiomas, although rare, are associated with high morbidity and mortality. The respective impacts of extent of surgical resection and adjuvant radiotherapy are still debated. Moreover, anaplastic meningiomas are studied in heterogenous cohort of de novo and progressive anaplastic tumors.
View Article and Find Full Text PDFBMC Cancer
November 2024
Hematology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran.
Background: Wilms tumor (WT) is the most common malignant renal tumor in children. This study investigated the clinical features, pathological findings, and outcomes of children with malignant renal tumors in Southern Iran. Factors associated with recurrence and mortality were assessed.
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